[Evolution-hackers] https://bugzilla.gnome.org/show_bug.cgi?id=697632

2013-04-15 Thread samarjit Adhikari
Hi All,

Probably I have managed to cook a fix for bug 697632. Code review is
required to confirm the fix.
I am not sure how to create patch. I took a diff and attaching here.

File: 
pluginshttp://bazaar.launchpad.net/%7Esamarjit-adhikari/evolution/evolution-3.6.2/files/353/plugins
/mail-to-taskhttp://bazaar.launchpad.net/%7Esamarjit-adhikari/evolution/evolution-3.6.2/files/353/plugins/mail-to-task
/mail-to-task.c
Function: do_mail_to_event

[branch Where I have check in my code]
http://bazaar.launchpad.net/~samarjit-adhikari/evolution/evolution-3.6.2/revision/353

[Reason Behind the Change]
We are not doing any g_object_ref for folder  object in this function.
Thus unref should not be present as well. This is a dangling
g_object_unref on folder object.

But one confusion I have. Do we need to add g_object_ref anywhere on folder
object?
Do let me know your view as well.

With regards,
Samarjit


Proposed_Fix_697632.diff
Description: Binary data
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Re: [Evolution-hackers] https://bugzilla.gnome.org/show_bug.cgi?id=697632

2013-04-15 Thread Milan Crha
On Mon, 2013-04-15 at 12:20 +0530, samarjit Adhikari wrote:
 Probably I have managed to cook a fix for bug 697632. Code review is
 required to confirm the fix.
 
 I am not sure how to create patch. I took a diff and attaching here.

Hi,
thanks for the work on this. If it's related to a bug, then attach patch
there, not to the mailing list. From a quick review:
a) the '//' is a C++ comment, you get a compiler warning on it; if the
   unref is not needed, then just delete it.
b) how did you get the diff? I suppose it's not from a git clone (with
   'git diff'), because the 'git diff' shows also a function name
   in which you did the change, while your diff doesn't do that.
c) Good catch, the e_mail_reader_get_folder() doesn't return reffed
   folder, but the mail-to-task still unrefs the folder. I guess it's
   some artifact from the time when the function was introduced. I see
   few more places in the mail-to-task.c which does the unref, please
   update your patch and attach it to bugzilla.
Thanks and bye,
Milan

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Re: [Evolution-hackers] https://bugzilla.gnome.org/show_bug.cgi?id=697632

2013-04-15 Thread samarjit Adhikari
Thanks Milan for the review.

Good catch, the e_mail_reader_get_folder() doesn't return reffed
folder, but the mail-to-task still unrefs the folder. I guess it's
some artifact from the time when the function was introduced. I see
few more places in the mail-to-task.c which does the unref, please
update your patch and attach it to bugzilla.

That's the confusion I have. So will the good fix be a g_object_ref inside
e_mail_reader_get_folder on folder object? or is it ok to delete the
unref. In that case I need to delete all unref  consistently in
mail-to-task.

With regards,
Samarjit


On Mon, Apr 15, 2013 at 1:55 PM, Milan Crha mc...@redhat.com wrote:

 On Mon, 2013-04-15 at 12:20 +0530, samarjit Adhikari wrote:
  Probably I have managed to cook a fix for bug 697632. Code review is
  required to confirm the fix.
 
  I am not sure how to create patch. I took a diff and attaching here.

 Hi,
 thanks for the work on this. If it's related to a bug, then attach patch
 there, not to the mailing list. From a quick review:
 a) the '//' is a C++ comment, you get a compiler warning on it; if the
unref is not needed, then just delete it.
 b) how did you get the diff? I suppose it's not from a git clone (with
'git diff'), because the 'git diff' shows also a function name
in which you did the change, while your diff doesn't do that.
 c) Good catch, the e_mail_reader_get_folder() doesn't return reffed
folder, but the mail-to-task still unrefs the folder. I guess it's
some artifact from the time when the function was introduced. I see
few more places in the mail-to-task.c which does the unref, please
update your patch and attach it to bugzilla.
 Thanks and bye,
 Milan

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Re: [Evolution-hackers] https://bugzilla.gnome.org/show_bug.cgi?id=697632

2013-04-15 Thread Milan Crha
On Mon, 2013-04-15 at 14:14 +0530, samarjit Adhikari wrote:

 That's the confusion I have. So will the good fix be a g_object_ref
 inside e_mail_reader_get_folder on folder object? or is it ok to
 delete the unref. In that case I need to delete all unref
 consistently in mail-to-task. 

I'm fine with deleting the g_object_unref() calls on folders returned by
e_mail_reader_get_folder() in mail-to-task code which run in the main
thread (like a response to an action), but if the folder is meant to be
passed into a thread, then for thread safety ref the folder before
running the thread and unref it at the end of the thread.

(I'm not much helpful, right?) :)

Definitely do not change e_mail_reader_get_folder(), it should be left
as is.
Bye,
Milan

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Re: [Evolution-hackers] https://bugzilla.gnome.org/show_bug.cgi?id=697632

2013-04-15 Thread samarjit Adhikari
Thanks for holding my hands and helping me to move forward.

With regards,
Samarjit


On Mon, Apr 15, 2013 at 2:24 PM, Milan Crha mc...@redhat.com wrote:

 On Mon, 2013-04-15 at 14:14 +0530, samarjit Adhikari wrote:

  That's the confusion I have. So will the good fix be a g_object_ref
  inside e_mail_reader_get_folder on folder object? or is it ok to
  delete the unref. In that case I need to delete all unref
  consistently in mail-to-task.

 I'm fine with deleting the g_object_unref() calls on folders returned by
 e_mail_reader_get_folder() in mail-to-task code which run in the main
 thread (like a response to an action), but if the folder is meant to be
 passed into a thread, then for thread safety ref the folder before
 running the thread and unref it at the end of the thread.

 (I'm not much helpful, right?) :)

 Definitely do not change e_mail_reader_get_folder(), it should be left
 as is.
 Bye,
 Milan

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